[R-390] Pto Question

[DW Holtman]

The reason that I'm trying to set my PTO up this way, is because I just 
started on it and it only receives above 14 MHZ and the sensitivity is very 
bad, vell above 50 uV. I'm not sure that I can hear the receiver well enough 
to align the PTO by listening. It does not have any meters installed yet.

So I want to make sure that the PTO is installed properly. Looking at the 
Y2K manual, 10 MHZ (A frequency that I picked at random) the PTO should 
either by 3.455 MHZ, or 2.545. I think that it is 3.455 but not sure.

Any help on this matter would be greatly appreciated.

Thank you,
DW Holtman
WB7SSN


----- Original Message ----- 
From: "Joe Foley" <redmenaced at yahoo.com>
To: <r-390 at mailman.qth.net>
Sent: Wednesday, August 24, 2005 8:56 PM
Subject: Re: [R-390] Pto Question


>
>
> --- DW Holtman <future212 at comcast.net> wrote:
>
>> Hello,
>>
>> I'm looking for information again, grateful that
>> this group is around.
>>
>> I'm doing my first R-390A tear down, and I screwed
>> up. My PTO is lost, I did not note the frequency
>> that I removed the RF Module. I reinstalled the RF
>> module tonight and set up the PTO for 3.445 MHZ
>> (using a Frequency counter). It this the correct
>> frequency for 10 MHZ on the RF Module read out (Am I
>> understanding the Y2K manual correctly)?
> +++++++++++++
> Nope, you're making it too difficult!
>
> Just loosen the Oldham coupler set screw and turn the
> shaft until the frequency comes in.
>
> Loosen the screw on the shaft going out to the knob so
> you can get a hold on the coupler itself.
>
> Joe
>
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